fc8922094b97771bf093c5b9e4bf79ccb2581506d794f1e8a9f842f9ec894aff

Analysis

max time kernel
339s
max time network
417s
platform
windows10-2004_x64
resource
win10v2004-20221111-en
resource tags

arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
submitted
01/12/2022, 15:50

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General

Target

fc8922094b97771bf093c5b9e4bf79ccb2581506d794f1e8a9f842f9ec894aff.exe
Size

79KB
MD5

2e7162d8f945d7479f78d830bdcc1984
SHA1

66bb80ac94e45350062c5a4588f8301e347fafb6
SHA256

fc8922094b97771bf093c5b9e4bf79ccb2581506d794f1e8a9f842f9ec894aff
SHA512

e4d7434e2283e12c2bcbd93d9803345f0c2dcbb278f134ae6f18a656f5557e666bf29ba3991d5c222e1550c8c041ccf90442fb02fb002cb059db8aa4fbf736e4
SSDEEP

1536:Wwr3x+C7uTzApxsmAv9qhhH42HuA+ntFIlUlPOpXAoHJlIK:PECC0hH4ELuPEAoHJlIK

Score

8^/10

persistence

Malware Config

Signatures

Modifies AppInit DLL entries 2 TTPs
persistence

Registry Run Keys / Startup Folder
T1060

Modify Registry
T1112

Drops file in System32 directory 1 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\tzdmexh.dll	fc8922094b97771bf093c5b9e4bf79ccb2581506d794f1e8a9f842f9ec894aff.exe

Modifies data under HKEY_USERS 15 IoCs

description	ioc	Process
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent\StartColorMenu = "4288567808"	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent\AccentColorMenu = "4292311040"	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationBlurBalance = "1"	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\EnableWindowColorization = "162"	LogonUI.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Themes\History\AutoColor = "0"	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\AccentColor = "4292311040"	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationAfterglow = "3288365271"	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationAfterglowBalance = "10"	LogonUI.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Themes\History	LogonUI.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationColor = "3288365271"	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationGlassAttribute = "1"	LogonUI.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent\AccentPalette = a6d8ff0076b9ed00429ce3000078d700005a9e000042750000264200f7630c00	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationColorBalance = "89"	LogonUI.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeShutdownPrivilege	2088	fc8922094b97771bf093c5b9e4bf79ccb2581506d794f1e8a9f842f9ec894aff.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1384	LogonUI.exe

C:\Users\Admin\AppData\Local\Temp\fc8922094b97771bf093c5b9e4bf79ccb2581506d794f1e8a9f842f9ec894aff.exe
"C:\Users\Admin\AppData\Local\Temp\fc8922094b97771bf093c5b9e4bf79ccb2581506d794f1e8a9f842f9ec894aff.exe"
1⤵
- Drops file in System32 directory
- Suspicious use of AdjustPrivilegeToken
PID:2088

C:\Windows\system32\LogonUI.exe
"LogonUI.exe" /flags:0x4 /state0:0xa395c055 /state1:0x41c64e6d
1⤵
- Modifies data under HKEY_USERS
- Suspicious use of SetWindowsHookEx
PID:1384

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/2088-132-0x0000000001000000-0x0000000001016000-memory.dmp

Filesize
88KB

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memory/2088-133-0x0000000001000000-0x0000000001016000-memory.dmp

Filesize
88KB

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